英文關鍵字
alphabet
blind
blindman
blindness
book
braille
closeup
disability
disable
disabled
dots
education
female
finger
hand
health
illness
language
learning
letter
library
literature
page
paper
person
read
reading
retired
script
sense
sight
sightless
sign
student
study
studying
symbol
teacher
text
touching
vision
wellbeing
woman
word
young
youth